34 lines
873 B
JavaScript
34 lines
873 B
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "elementContains", {
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enumerable: true,
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get: function() {
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return elementContains;
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}
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});
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const _getParent = require("./getParent");
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function elementContains(parent, child) {
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if (!parent || !child) {
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return false;
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}
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if (parent === child) {
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return true;
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} else {
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// Tracks references of nodes that have been visited to prevent infinite loops
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const set = new WeakSet();
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while(child){
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const nextParent = (0, _getParent.getParent)(child, {
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skipVirtual: set.has(child)
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});
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set.add(child);
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if (nextParent === parent) {
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return true;
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}
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child = nextParent;
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}
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}
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return false;
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}
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